DYNAMICAL GLASSY BEHAVIOR ON THE BASIS OF SIMPLE-MODELS DESCRIBED BY MASTER-EQUATIONS

被引:14
作者
BREY, JJ
PRADOS, A
RUIZMONTERO, MJ
机构
[1] Física Teórica, Universidad de Sevilla, 41080 Seville
关键词
D O I
10.1016/0022-3093(94)90459-6
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Using a simple Ising model as illustration, general relaxation and evolution properties of systems described by master equations are investigated. The origin of the good agreement obtained by fitting the response function at low temperatures to a stretched exponential is discussed. The details of the freezing process under continuous cooling are analyzed by introducing appropriate timescales and the notion of demarcation mode. For heating processes, the relevance of the concept of normal curves shows up clearly. They explain the appearance of hysteresis cycles and can be useful to interpret experimental results.
引用
收藏
页码:371 / 377
页数:7
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